EAST MALTA COLONY
Montana - Community Water System - PWSID: MT0001769
System Information
| PWSID | MT0001769 |
| System Name | EAST MALTA COLONY |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 5, 1980 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Montana |
| City | MALTA |
| ZIP Code | 59538-9602 |
| Address | 1089 EAST COLONY ROAD |
| Organization | HOFER, GEORGE |
| Phone | 406-654-4720 |
Population & Service
| Population Served | 47 |
| Service Connections | 12 |
Drinking Water Violations (178)
This water system has 178 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2025 | - | Other | No | No | - | - | - | Resolved | Oct 6, 2025 | - | |
| Oct 1, 2025 | - | Other | No | No | - | - | - | Resolved | Oct 6, 2025 | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Resolved | Jul 17, 2025 | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Resolved | Jul 17, 2025 | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Resolved | Aug 6, 2024 | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Resolved | Aug 6, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2024 | - | |
| Aug 1, 2023 | Aug 31, 2023 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2023 | - | |
| Aug 1, 2023 | Aug 31, 2023 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2023 | - | |
| Aug 1, 2023 | Aug 31, 2023 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2023 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Jul 19, 2023 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Jul 19, 2023 | - | |
| Feb 1, 2022 | Feb 28, 2022 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2022 | - | |
| Feb 1, 2022 | Feb 28, 2022 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2022 | - | |
| Feb 1, 2022 | Feb 28, 2022 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2022 | - | |
| Feb 1, 2022 | Feb 28, 2022 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2022 | - | |
| Jul 1, 2021 | - | Other | No | No | - | - | - | Resolved | Jul 27, 2021 | - | |
| Jul 1, 2021 | - | Other | No | No | - | - | - | Resolved | Jul 27, 2021 | - | |
| Jul 1, 2019 | - | Other | No | No | - | - | - | Resolved | Jul 30, 2019 | - | |
| Jul 1, 2019 | - | Other | No | No | - | - | - | Resolved | Jul 30, 2019 | - | |
| May 20, 2019 | - | MR | No | Yes | - | - | - | Resolved | May 22, 2019 | - | |
| May 20, 2019 | - | MR | No | Yes | - | - | - | Resolved | May 22, 2019 | - | |
| May 20, 2019 | - | MR | No | Yes | - | - | - | Resolved | May 22, 2019 | - | |
| Oct 1, 2017 | - | MR | No | No | - | TT | - | Resolved | Sep 26, 2019 | - | |
| Oct 1, 2017 | - | MR | No | No | - | TT | - | Resolved | Sep 26, 2019 | - | |
| Oct 1, 2017 | - | MR | No | No | - | TT | - | Resolved | Sep 26, 2019 | - | |
| Jul 15, 2017 | - | MR | No | Yes | - | - | - | Resolved | May 5, 2019 | - | |
| Jul 15, 2017 | - | MR | No | Yes | - | - | - | Resolved | May 5, 2019 | - | |
| Jul 15, 2017 | - | MR | No | Yes | - | - | - | Resolved | May 5, 2019 | - | |
| Jan 1, 2017 | Dec 31, 2017 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2017 | - | |
| Jan 1, 2017 | Dec 31, 2017 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2017 | - | |
| Jan 1, 2017 | Dec 31, 2017 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2017 | - | |
| Jan 1, 2017 | Dec 31, 2017 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2017 | - | |
| Aug 24, 2016 | - | MR | No | Yes | - | - | - | Resolved | Aug 29, 2016 | - | |
| Aug 24, 2016 | - | MR | No | Yes | - | - | - | Resolved | Aug 29, 2016 | - | |
| Aug 24, 2016 | - | MR | No | Yes | - | - | - | Resolved | Aug 29, 2016 | - | |
| Jul 1, 2013 | Jul 31, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2013 | - | |
| Jul 1, 2013 | Jul 31, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2013 | - | |
| Jul 1, 2013 | Jul 31, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2013 | - | |
| Jul 1, 2013 | Jul 31, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 7 MFL | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 7 MFL | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 7 MFL | - | Resolved | Dec 31, 2013 | - | |
| Oct 1, 2010 | - | MR | No | No | - | TT | - | Resolved | Sep 30, 2011 | - | |
| Oct 1, 2010 | - | MR | No | No | - | TT | - | Resolved | Sep 30, 2011 | - | |
| Oct 1, 2010 | - | MR | No | No | - | TT | - | Resolved | Sep 30, 2011 | - | |
| Jan 1, 2010 | Jan 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2010 | - | |
| Jan 1, 2010 | Jan 31, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2010 | - |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.